Tomboy supports third party plugins, which can be used to add new features to the program. One can install Tomboy plugins by copying the uncompressed files to /home/Your_userID/.tomboy/add ins folder. A list of plugins for Tomboy can be found at /Tomboy/PluginList.

To access the list of plugins that come installed with Tomboy, go to the Preferences window and click on Add-ins. You may not require certain features like WebDAV. You can disable such addins by selecting them first and then clicking on Disable.